Finding the Fourth Proportional to 60,105.63, 90,132.15 and 28,524.75

Step by Step Solution

1. Step 1: Write the proportion equation
   60,105.63 : 90,132.15 = 28,524.75 : x
2. Step 2: Convert to fraction form
   60,105.63/90,132.15 = 28,524.75/x
3. Step 3: Cross multiply
   60,105.63x = 90,132.15 × 28,524.75
4. Step 4: Simplify right side
   60,105.63x = 2,570,997,045.71
5. Step 5: Solve for x
   x = 2,570,997,045.71/60,105.63
6. Step 6: Final answer
   x = 42,774.65